Home / 13,334.10-18,400.95-7,366.16

Finding the Fourth Proportional to 13,334.10, 18,400.95 and 7,366.16

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Solution

The fourth proportional to 13,334.10, 18,400.95 and 7,366.16 is: 10,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.10 : 18,400.95 = 7,366.16 : x
  2. Step 2: Convert to fraction form
    13,334.10/18,400.95 = 7,366.16/x
  3. Step 3: Cross multiply
    13,334.10x = 18,400.95 × 7,366.16
  4. Step 4: Simplify right side
    13,334.10x = 135,544,249.85
  5. Step 5: Solve for x
    x = 135,544,249.85/13,334.10
  6. Step 6: Final answer
    x = 10,165.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.